手征SU(3)夸克平均场模型中慢转中子星和强子星
Slowly rotating neutron stars and hadronic stars in chiral SU(3) quark mean field model
摘要:
本文应用手征SU(3)夸克平均场模型中中子物质、奇异和非奇异强子物质的物态方程研究慢转中子星和强子星。半径、质量、转动惯量和其他物理量都被仔细地检验了。揭示了奇异强子星的核子壳效应。我们的结果表明,旋转可以显着增加致密星的最大质量。对于质量足够大但不能用奇异强子星来解释的脉冲星,讨论了提高其最大质量的理论途径。
英文摘要:
The equations of state for neutron matter, strange and non-strange hadronic matter in a chiral SU(3) quark mean field model are applied in the study of slowly rotating neutron stars and hadronic stars. The radius, mass, moment of inertia, and other physical quantities are carefully examined. The effect of nucleon crust for the strange hadronic star is exhibited. Our results show the rotation can increase the maximum mass of compact stars significantly. For big enough mass of pulsar which can not be explained as strange hadronic star, the theoretical approaches to increase the maximum mass are addressed.
机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。